Toluene diisocyanate manufacturer Knowledge 2,5-Dimethyl-p-benzoquinone

2,5-Dimethyl-p-benzoquinone

2,5-dimethyl-p-benzoquinone structural formula

Structural formula

Business number 03RD
Molecular formula C8H8O2
Molecular weight 136.15
label

aromatic compounds

Numbering system

CAS number:137-18-8

MDL number:MFCD00041737

EINECS number:205-283-6

RTECS number:DK4800000

BRN number:2041348

PubChem number:24864170

Physical property data

1. Melting point (ºC): 125

2. Solubility: slightly soluble in water and ethanol, soluble in ether and benzene.

Toxicological data

Acute toxicity data:

Rat oral LDLo: 500mg/kg

Mouse oral LD50: 290mg/kg

Mouse abdominal LD50 : 11mg/kg

Mouse subcutaneous LD50: 43mg/kg

Mutagenicity data:

Bacteria – Salmonella typhimurium: 40nmol/plate

Ecological data

None

Molecular structure data

Molecular property data:

1. Molar refractive index: 39.66

2. Molar volume (cm3/mol): 118.8

3. Isotonic specific volume (90.2K): 312.5

4. Surface tension (3.0 dyne/cm): 47.8

5. Polarizability (0.5 10-24cm3): 15.72

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 6

6. Topological molecule polar surface area 34.1

7. Number of heavy atoms: 10

8. Surface charge: 0

9. Complexity: 228

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

1. Exist in smoke.

Storage method

None

Synthesis method

None

Purpose

None

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/27810

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